The boi who has been my best friend, the cause of my pain, but never quite my lover is gone....I'm sitting here in his Radiohead "don't tell me what kind of day to have" tee (it smells like him) listening to WYIN, and trying not to cry.

2003, Molly-Ann Leikin, How to Be a Hit Songwriter: Polishing and Marketing Your Lyrics and Music[1], ISBN 063405001X, page 48:

And finally, in “Sk8er Boi,” Avril Lavigne tells us in her first two lines about the conflicts between the male and female by saying, “He was a boi, she was a girl, can I make it any more obvious.”

I inadvertently gave the afro-american delivery boi a $5 tip probably due to the fact that I had pickled a few brain cells.

(BDSM, especially in roleplay) A malebottom (i.e. submissive partner), defined not by junior age, but by his obedient role, especially when that implies him being subject to spanking and/or other punishment by the dominant "top".